CN111786223A - Fast-insertion flexible high-voltage non-partial-discharge connection structure capable of realizing multi-stage connection - Google Patents
Fast-insertion flexible high-voltage non-partial-discharge connection structure capable of realizing multi-stage connection Download PDFInfo
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- CN111786223A CN111786223A CN202010902996.0A CN202010902996A CN111786223A CN 111786223 A CN111786223 A CN 111786223A CN 202010902996 A CN202010902996 A CN 202010902996A CN 111786223 A CN111786223 A CN 111786223A
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- 238000003780 insertion Methods 0.000 title claims abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 33
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000011888 foil Substances 0.000 claims abstract description 33
- 238000012360 testing method Methods 0.000 claims abstract description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 239000010935 stainless steel Substances 0.000 claims abstract description 14
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 14
- 239000002985 plastic film Substances 0.000 claims abstract description 13
- 229920006255 plastic film Polymers 0.000 claims abstract description 13
- 229910000838 Al alloy Inorganic materials 0.000 claims description 29
- 239000007769 metal material Substances 0.000 claims description 3
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R31/00—Coupling parts supported only by co-operation with counterpart
- H01R31/06—Intermediate parts for linking two coupling parts, e.g. adapter
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
- H01R13/187—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/622—Screw-ring or screw-casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2201/00—Connectors or connections adapted for particular applications
- H01R2201/20—Connectors or connections adapted for particular applications for testing or measuring purposes
Landscapes
- Measuring Leads Or Probes (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
A fast-insertion flexible high-voltage non-partial-discharge connection structure capable of realizing multi-stage connection is characterized in that a fast connection plug is connected with a fast connection socket through a plastic-coated aluminum foil pipe; the quick connecting plug and the plastic-coated film aluminum foil pipe are fixed through a stainless steel hose clamp A, and the quick connecting socket and the plastic-coated film aluminum foil pipe are fixed through a stainless steel hose clamp B; a braided bare copper wire is arranged in the plastic film-coated aluminum foil pipe, one end of the braided bare copper wire is connected with a quick connecting plug, and the other end of the braided bare copper wire is connected with a quick connecting socket; when the quick connection plug is used in a field for connection, a contact pin of the quick connection plug with the structure is inserted into the embedded tank-shaped spring of the other quick connection socket, then the locking nut of the quick connection plug is matched with the external thread of the quick connection socket to rotate clockwise to lock and guarantee reliable connection, and a plurality of connection stages can be used for local discharge tests in high-voltage cables according to field actual needs.
Description
Technical Field
The invention belongs to the technical field of electric power operation guarantee, and particularly relates to a quick-insertion type flexible high-voltage non-partial-discharge connecting line structure capable of realizing multi-stage connection.
Background
With the increasing requirements of society on power safety, and benefiting from the upgrading progress of electronic testing technology, various high-voltage electrical detection technologies are rapidly developed, the alternating-current voltage withstand test of a high-voltage cable is taken as the most common and effective common testing means, but only serious insulation defects which can not withstand voltage can be found, for slight insulation defects caused by cable manufacturing or field construction, the alternating-current voltage withstand test is powerless, and the alternating-current voltage withstand test cannot completely meet the requirements of safe operation of the power cable. Because the cable joint of the high-voltage cable to be tested is often arranged on a high-voltage iron tower, particularly the high-voltage cable joint of 110kV and above is often as high as 20-40m, the novel technology often needs a flexible non-partial discharge high-voltage connecting wire to connect the high-voltage non-partial discharge testing equipment with the tested high-voltage cable when applied on site, otherwise, a common lead wire can generate corona discharge to air when the testing voltage is higher, and the high-voltage cable partial discharge test can not be carried out when the testing voltage is serious.
Due to technical feasibility and cost limitations, the prior art does so:
one is that the high-voltage flexible wire or the high-voltage flexible cable is used as a non-partial discharge connecting line between the high-voltage cable partial discharge test equipment and the tested cable when the voltage is lower, but the market does not meet the non-partial discharge requirement when the voltage is higher;
one is that when the voltage is higher, a semi-hard hose matched with foreign equipment is used as a high-voltage flexible connecting line without partial discharge, so that the flexibility is not good enough, and the carrying is not convenient enough;
and the other one is that when the voltage is higher, the common aluminum foil pipe is used as a high-voltage non-partial-discharge flexible connecting line which can be used, but is easy to damage and almost disposable, and when a plurality of connecting lines are required, the connection is not easy, the wiring efficiency is very low, and the key is that the connection without partial discharge at the connecting part is difficult.
In order to solve the problem that the high-voltage non-partial-discharge connecting line of the high-voltage cable field non-partial-discharge test is difficult, the invention provides a quick-insertion type flexible high-voltage non-partial-discharge connecting line structure which is used for the high-voltage cable field partial-discharge test, is easy to carry, convenient to wire, reusable, and has the advantages of simple structure, reliable connection, flexible use and convenience in implementation.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a quick-plugging flexible high-voltage non-partial-discharge connecting line structure capable of realizing multi-stage connection, which is used for a local discharge test on a high-voltage cable field and can realize quick cascade connection of a plurality of quick-plugging flexible high-voltage non-partial-discharge connecting lines according to the field use requirement.
In order to achieve the purpose, the invention adopts the technical scheme that:
a fast-plugging flexible high-pressure non-partial-discharge connecting wire capable of being connected in multiple stages comprises a plastic film coated aluminum foil pipe (2), a stainless steel hose clamp A (2-1) and a stainless steel hose clamp B (2-2), wherein a fast connecting plug (1) is connected with a fast connecting socket (3) through the plastic film coated aluminum foil pipe (2); the quick connecting plug (1) and the plastic-coated film aluminum foil pipe (2) are fixed through a stainless steel hose clamp A (2-1), and the quick connecting socket (3) and the plastic-coated film aluminum foil pipe (2) are fixed through a stainless steel hose clamp B (2-2); a braided bare copper wire is arranged in the plastic film-coated aluminum foil pipe (2), one end of the braided bare copper wire is connected with the quick connecting plug (1), and the other end of the braided bare copper wire is connected with the quick connecting socket (3);
the quick connecting plug (1) consists of a contact pin (1-1), a locking nut (1-2), an aluminum alloy structural body A (1-3), a sinking structure (1-4), a threaded hole A (1-5) and a contact pin fixing nut (1-6), wherein the sinking structure (1-4) is arranged on the excircle of the aluminum alloy structural body (1-3), a through hole is formed in the center of the end face of the aluminum alloy structural body A (1-3), and the threaded hole A (1-5) is formed in one side of the through hole; the contact pin (1-1) penetrates through the locking nut (1-2) and then penetrates through a middle through hole of the aluminum alloy structural body A (1-3), and is fixed by a contact pin fixing nut (1-6); one end of the braided bare copper wire is fixed by a threaded hole A (1-5);
the quick connection socket (3) consists of an aluminum alloy structural body B (3-1), an embedded pot-shaped spring (3-2), a sinking structure (3-3), external threads (3-4) and a threaded hole B (3-5), wherein the sinking structure (3-3) is arranged on the excircle of the aluminum alloy structural body B (3-1), the external threads (3-4) are arranged in the center of the end face of the aluminum alloy structural body B (3-1), and the threaded hole B (3-5) is arranged on one side of the external threads (3-4); a through hole is arranged in the center of the external thread (3-4), and an embedded pot-shaped spring (3-2) is embedded in the front end of the through hole; one end of the braided bare copper wire is fixed by a threaded hole B (3-5).
The outer diameter of the plastic-coated aluminum foil pipe (2) is selected according to the highest test voltage applied by a local discharge test on the high-voltage cable site.
The outer diameters of the aluminum alloy structural body A (1-3) and the aluminum alloy structural body B (3-1) are slightly smaller than the inner diameter of the plastic film-coated aluminum foil pipe (2), and light metal materials are adopted.
The length of the central through hole of the external thread (3-4) of the quick connection socket (3) is matched with the length of the contact pin (1-1) of the quick connection plug (1).
The plastic-coated film aluminum foil pipe (2) can flexibly stretch.
The section of the braided bare copper wire meets the requirement of test current, and the length of the braided bare copper wire is slightly shorter than that of the plastic film-coated aluminum foil pipe.
Furthermore, the fast-inserting type flexible high-voltage non-partial-discharge connecting line capable of being connected in multiple stages can be inserted into another fast-connecting socket (3) of the fast-inserting type flexible high-voltage non-partial-discharge connecting line capable of being connected in multiple stages through the fast-connecting plug (1), and multiple stages of connection can be realized in a sequential mode.
The invention has the beneficial effects that:
the structure is used for the on-site partial discharge test of the high-voltage cable, is easy to carry, convenient to wire, reusable, simple in structure, reliable in connection, flexible to use and convenient to implement.
Drawings
Fig. 1 is a schematic structural view of the multi-stage connection of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural view of the quick connect plug of the present invention.
Fig. 4 is a schematic structural view of the quick connect socket of the present invention.
Fig. 5 is a schematic diagram of two cascade structures according to the present invention.
Wherein, 1 is a quick connecting plug; 1-1 is a contact pin; 1-2 is a locking nut; 1-3 is an aluminum alloy structural body A; 1-4 are sinking structures; 1-5 are threaded holes A; 1-6 are contact pin fixing nuts; 2 is a plastic film coated aluminum foil pipe; 2-1 is a stainless steel hose clamp A; 2-2 is a stainless steel hose clamp B; 3 is a quick connection socket; 3-1 is an aluminum alloy structural body B; 3-2 is an embedded pot-shaped spring; 3-3 is a sinking structure; 3-4 is external thread; and 3-5 are threaded holes B.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 2, a fast-plugging flexible high-pressure non-partial-discharge connecting wire capable of being connected in multiple stages comprises a plastic-coated aluminum foil pipe (2), a stainless steel hose clamp a (2-1) and a stainless steel hose clamp B (2-2), and is characterized in that a fast connecting plug (1) is connected with a fast connecting socket (3) through the plastic-coated aluminum foil pipe (2); the quick connecting plug (1) and the plastic-coated film aluminum foil pipe (2) are fixed through a stainless steel hose clamp A (2-1), and the quick connecting socket (3) and the plastic-coated film aluminum foil pipe (2) are fixed through a stainless steel hose clamp B (2-2); a braided bare copper wire is arranged in the plastic film-coated aluminum foil pipe (2), one end of the braided bare copper wire is connected with the quick connecting plug (1), and the other end of the braided bare copper wire is connected with the quick connecting socket (3);
as shown in fig. 3, the quick connection plug (1) is composed of a contact pin (1-1), a lock nut (1-2), an aluminum alloy structural body A (1-3), a sinking structure (1-4), a threaded hole A (1-5) and a contact pin fixing nut (1-6), wherein the outer circle of the aluminum alloy structural body (1-3) is provided with the sinking structure (1-4), the center of the end face of the aluminum alloy structural body (1-3) is provided with a through hole, and one side of the through hole is provided with the threaded hole A (1-5); the contact pin (1-1) penetrates through the locking nut (1-2) and then penetrates through a middle through hole of the aluminum alloy structural body A (1-3), and is fixed by a contact pin fixing nut (1-6); one end of the braided bare copper wire is fixed by a threaded hole A (1-5);
as shown in fig. 4, the quick connection socket (3) is composed of an aluminum alloy structural body B (3-1), an embedded pot-shaped spring (3-2), a sinking structure (3-3), an external thread (3-4) and a threaded hole B (3-5), wherein the sinking structure (3-3) is arranged on the excircle of the aluminum alloy structural body B (3-1); the center of the end face of the aluminum alloy structural body B (3-1) is provided with an external thread (3-4), and one side of the external thread (3-4) is provided with a threaded hole B (3-5); a through hole is arranged in the center of the external thread (3-4), and an embedded pot-shaped spring (3-2) is embedded in the front end of the through hole; one end of the braided bare copper wire is fixed by a threaded hole B (3-5).
The outer diameter of the plastic-coated aluminum foil pipe (2) is selected according to the highest test voltage applied by a local discharge test on the high-voltage cable site.
The outer diameters of the aluminum alloy structural body A (1-3) and the aluminum alloy structural body B (3-1) are slightly smaller than the inner diameter of the plastic film-coated aluminum foil pipe (2), and light metal materials are adopted.
The length of the central through hole of the external thread (3-4) of the quick connection socket (3) is matched with the length of the contact pin (1-1) of the quick connection plug (1).
The plastic-coated film aluminum foil pipe (2) can flexibly stretch.
The section of the braided bare copper wire meets the requirement of test current, and the length of the braided bare copper wire is slightly shorter than that of the plastic film-coated aluminum foil pipe.
As shown in fig. 1 and 5, further, the fast-plugging flexible high-voltage non-partial-discharge connecting line capable of being connected in multiple stages can be inserted into another fast-connection socket (3) of the fast-plugging flexible high-voltage non-partial-discharge connecting line capable of being connected in multiple stages through a fast-connection plug (1), and multiple stages of connection can be realized in a sequential manner.
The connecting lines can be quickly connected in series with each other by a plurality of quick-plugging flexible non-partial-discharge connecting lines on an application field as required, each of which is an independent unit and is processed and assembled by a production unit implementing the structure, and the structure is specifically shown in figure 2.
When the quick connection plug 1 of the connecting wire is connected in field application, the contact pin 1-1 of the quick connection plug 1 of the connecting wire is inserted into the embedded pot-shaped spring 3-2 of the other quick connection socket 3, then the locking nut 1-2 of the quick connection plug 1 is matched with the external thread 3-4 of the quick connection socket 3 to rotate clockwise to ensure reliable connection, so that according to the actual needs in the field, 2 cascade connections, 3 cascade connections, 4 cascade connections and multiple cascade connections can be realized, when the disassembly and assembly are finished in the field application, only the locking nut 1-2 on the quick connection plug 1 needs to rotate anticlockwise, and then the quick connection plug 1 is directly pulled out of the quick connection socket 3.
This connecting wire is used for the on-spot partial discharge test of high tension cable, and its fast formula performance of inserting is realized by the cooperation of quick connect plug 1 and quick connect socket 3, and its no partial discharge performance is realized by covering plastic film aluminium foil pipe 2, covers plastic film aluminium foil pipe 2 and has flexibility and scalable, according to the field usage needs, many flexible high pressure of inserting soon do not have the partial discharge connecting wire and can use by the concatenation fast.
Claims (7)
1. A fast-insertion flexible high-voltage non-partial-discharge connection structure capable of being connected in multiple stages comprises a fast connection plug (1), a plastic-coated film aluminum foil pipe (2) and a fast connection socket (3), and is characterized in that the fast connection plug (1) is connected with the fast connection socket (3) through the plastic-coated film aluminum foil pipe (2); the quick connecting plug (1) and the plastic-coated film aluminum foil pipe (2) are fixed through a stainless steel hose clamp A (2-1), and the quick connecting socket (3) and the plastic-coated film aluminum foil pipe (2) are fixed through a stainless steel hose clamp B (2-2); a braided bare copper wire is arranged in the plastic film-coated aluminum foil pipe (2), one end of the braided bare copper wire is connected with the quick connecting plug (1), and the other end of the braided bare copper wire is connected with the quick connecting socket (3);
the quick connecting plug (1) consists of a contact pin (1-1), a locking nut (1-2), an aluminum alloy structural body A (1-3), a sinking structure (1-4), a threaded hole A (1-5) and a contact pin fixing nut (1-6), wherein the sinking structure (1-4) is arranged on the excircle of the aluminum alloy structural body (1-3), a through hole is formed in the center of the end face of the aluminum alloy structural body (1-3), and the threaded hole A (1-5) is formed in one side of the through hole; the contact pin (1-1) penetrates through the locking nut (1-2) and then penetrates through a middle through hole of the aluminum alloy structural body A (1-3), and is fixed by a contact pin fixing nut (1-6); one end of the braided bare copper wire is fixed by a threaded hole A (1-5);
the quick connection socket (3) consists of an aluminum alloy structural body B (3-1), an embedded pot-shaped spring (3-2), a sinking structure (3-3), external threads (3-4) and a threaded hole B (3-5), wherein the sinking structure (3-3) is arranged on the excircle of the aluminum alloy structural body B (3-1); the center of the end face of the aluminum alloy structural body B (3-1) is provided with an external thread (3-4), and one side of the external thread (3-4) is provided with a threaded hole B (3-5); a through hole is arranged in the center of the external thread (3-4), and a pot-shaped spring (3-2) is embedded in the front end of the through hole; one end of the braided bare copper wire is fixed by a threaded hole B (3-5).
2. The fast-plugging flexible high-voltage non-partial-discharge connecting line structure capable of realizing multi-stage connection according to claim 1, wherein the outer diameter of the plastic-coated aluminum foil pipe (2) is selected according to the highest test voltage applied in a high-voltage cable field partial discharge test.
3. The fast-plugging flexible high-pressure non-partial-discharge connecting line structure capable of realizing multi-stage connection according to claim 1, wherein the outer diameters of the aluminum alloy structural body A (1-3) and the aluminum alloy structural body B (3-1) are slightly smaller than the inner diameter of the plastic-coated aluminum foil pipe (2), and a light metal material is adopted.
4. The fast-plugging flexible high-voltage non-partial-discharge connecting line structure capable of realizing multi-stage connection according to claim 1, wherein the length of a central through hole of an external thread (3-4) of the fast connection socket (3) is matched with the length of a pin (1-1) of the fast connection plug (1).
5. The fast-plugging flexible high-voltage non-partial-discharge connecting line structure capable of realizing multi-stage connection according to claim 1, wherein the plastic-coated aluminum foil pipe (2) is flexible and telescopic.
6. The fast-inserting flexible high-voltage non-partial-discharge connecting line structure capable of realizing multi-stage connection according to claim 1, wherein the cross section of the braided bare copper wire meets the requirement of test current, and the length of the braided bare copper wire is slightly shorter than that of the plastic-coated aluminum foil pipe.
7. The fast-plug flexible high-voltage non-partial-discharge connection structure capable of multi-stage connection according to claim 1, wherein the fast-plug flexible high-voltage non-partial-discharge connection structure capable of multi-stage connection can be inserted into a fast-connection socket (3) of another fast-plug flexible high-voltage non-partial-discharge connection structure capable of multi-stage connection through a fast-connection plug (1), and multi-stage connection can be realized in a sequential manner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202010902996.0A CN111786223B (en) | 2020-09-01 | 2020-09-01 | Multistage-connection quick-plug type flexible high-voltage partial-discharge-free connecting line structure |
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CN202010902996.0A CN111786223B (en) | 2020-09-01 | 2020-09-01 | Multistage-connection quick-plug type flexible high-voltage partial-discharge-free connecting line structure |
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CN111786223A true CN111786223A (en) | 2020-10-16 |
CN111786223B CN111786223B (en) | 2024-05-03 |
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Citations (6)
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---|---|---|---|---|
US8011955B1 (en) * | 2011-01-27 | 2011-09-06 | Yueh Chiung Lu | Coaxial cable connector |
CN205282768U (en) * | 2015-12-07 | 2016-06-01 | 沈阳兴华华亿轨道交通电器有限公司 | Three change no. six motor connectors |
CN207925796U (en) * | 2018-02-08 | 2018-09-28 | 深圳灵科技术有限公司 | A kind of connector |
CN109130496A (en) * | 2018-08-21 | 2019-01-04 | 嘉兴学院 | A kind of method and apparatus preparing flexible extending multilevel structure interconnection line |
US20190273368A1 (en) * | 2016-12-08 | 2019-09-05 | R&D Holdings, Inc. | Electrical conduit socket for a round-top locking hub nut |
CN213401785U (en) * | 2020-09-01 | 2021-06-08 | 西安福润德电子科技有限公司 | But multilevel connection's flexible high pressure of formula of inserting soon does not have office and puts connecting wire |
-
2020
- 2020-09-01 CN CN202010902996.0A patent/CN111786223B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8011955B1 (en) * | 2011-01-27 | 2011-09-06 | Yueh Chiung Lu | Coaxial cable connector |
CN205282768U (en) * | 2015-12-07 | 2016-06-01 | 沈阳兴华华亿轨道交通电器有限公司 | Three change no. six motor connectors |
US20190273368A1 (en) * | 2016-12-08 | 2019-09-05 | R&D Holdings, Inc. | Electrical conduit socket for a round-top locking hub nut |
CN207925796U (en) * | 2018-02-08 | 2018-09-28 | 深圳灵科技术有限公司 | A kind of connector |
CN109130496A (en) * | 2018-08-21 | 2019-01-04 | 嘉兴学院 | A kind of method and apparatus preparing flexible extending multilevel structure interconnection line |
CN213401785U (en) * | 2020-09-01 | 2021-06-08 | 西安福润德电子科技有限公司 | But multilevel connection's flexible high pressure of formula of inserting soon does not have office and puts connecting wire |
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CN111786223B (en) | 2024-05-03 |
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